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Commitments and Contingencies - Additional Information (Detail) (USD $) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2014 sqft | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2014 Other current liabilities [Member] | Sep. 30, 2014 Other non-current liabilities [Member] | Sep. 30, 2014 Standby letter of credit [Member] | Apr. 12, 2012 USAA [Member] Patents | Jan. 11, 2013 Top Image Systems Ltd. [Member] Patents | Sep. 26, 2012 Top Image Systems Ltd. [Member] Patents
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of patents allegedly infringed |  |  |  |  |  |  | 5 | 6 | 5
Amended office space subject to the lease | 22,523 |  |  |  |  |  |  |  |
Increased amount of Company's annual base rent | $ 471,000 |  |  |  |  |  |  |  |
Increased percentage of Company's annual base rent | 3.00% |  |  |  |  |  |  |  |
Tenant improvement allowances | 675,690 |  |  |  |  |  |  |  |
Unamortized lease incentives | 498,297 |  |  | 104,905 | 393,392 |  |  |  |
Standby letter of credit to the landlord |  |  |  |  |  | 210,000 |  |  |
Rent expense for the Company's operating lease | $ 368,385 | $ 379,529 | $ 335,946 |  |  |  |  |  |

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